// pages/user/index.js
Page({
  data: {
    userinfo: {},
    // 被收藏的商品的数量
    collectNums: 0
  },
  onShow () {
    const userinfo = wx.getStorageSync("userinfo");
    const collect = wx.getStorageSync("collect") || []; 
    this.setData({ 
      userinfo,
      collectNums: collect.length
    });
    
  }
})